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Stedi go-live — Thursday, June 18, 2026

Clearinghouse production cutover ready

OAuth clearinghouse routes, sandbox stub, health monitoring, and certification checklist are in place. Follow the go-live runbook to activate Stedi in production on Thursday.

Go-live runbook Integration guide Certification checklist Stedi status

Clearinghouse Partner

Stedi

Parker Apex routes HIPAA EDI transactions through Stedi — eligibility (270/271), claim status (276/277), and professional claims (837P). Formal production integration: Thursday, June 18, 2026. Partner API base: /velocity/v1/clearinghouse

270/271276/277837P837I
Stedi healthcare docs

Stedi Clearinghouse Playground

Try 270/271 eligibility and 276/277 claim status against the sandbox stub, then switch to live API with velocity.clearinghouse.* OAuth scopes.

Integration guide

Velocity RCM API

Revenue cycle management — claims submission via Stedi clearinghouse, denial management, AR aging, payer operations, and FHIR Claim/EOB integration.

OpenAPI Specapi.parkerapex.com/velocity

Live API Status — Velocity RCM API

Probing production endpoints…

Rate Limits & SLA

Rate limit

1,000 claims/min

Burst

40 req/sec

Uptime SLA

99.9%

Support

Business hours · 4h

P95 latency

< 800ms submit

Retention

Claims 7 years

270–837

EDI

Stedi JSON → X12

837P

Claims

Professional submission

271

Eligibility

Real-time 270/271

3

OAuth

clearinghouse scopes

Capabilities

Stedi Integration Guide

270/271, 276/277, 837P via Velocity

Ledger & FedNow

Payment settlement & remittance

FHIR Financial

Claim, Coverage, EOB resources

API Reference

Full OpenAPI explorer

OpenAPI contract

Machine-readable spec: apex-velocity-v1.openapi.yaml

Download apex-velocity-v1.openapi.yaml →

Integration toolkit

SandboxAPI PlaygroundOpenAPI Try-it-outCertificationWebhooks
Postman collection (8 requests)Import the same JSON into Insomnia

Official SDKs

Generate TypeScript client →·Python →·All SDKs

Apex Velocity certification track

20 required items · platform + product-specific checks

Full checklist →
  • First authenticated API call in sandbox
  • OAuth or API key with least-privilege scopes
  • FHIR R4 read against sandbox lake
  • GPID boundary headers on write paths
  • Webhook HMAC-SHA256 verification implemented
  • Webhook idempotency by delivery ID

+17 more on the certification page

Complete all required items before production go-live

Webhook events for Apex Velocity

Subscribe at /webhooks — verify HMAC-SHA256 signatures

Event catalog →
claim.adjudicatedVelocity RCM

Payer claim response received and linked to Claim resource.

{
  "event": "claim.adjudicated",
  "claim_id": "clm_001",
  "claim_response_id": "CR-99201",
  "status": "active",
  "payer": "Aetna",
  "paid_amount": 142.5
}
velocity.claim.submittedVelocity / Stedi

837P professional claim accepted by the Stedi clearinghouse.

{
  "event": "velocity.claim.submitted",
  "claim_id": "CLM-2026-00412",
  "control_number": "123456789",
  "trading_partner_service_id": "PAYER_ID",
  "usage_indicator": "T"
}
velocity.eligibility.completedVelocity / Stedi

270/271 eligibility inquiry returned from Stedi.

{
  "event": "velocity.eligibility.completed",
  "member_id": "MBR001",
  "active_coverage": true,
  "trading_partner_service_id": "PAYER_ID"
}